Final answer:
Stonehenge and the Nazca Lines are ancient landmarks created by different civilizations. Both require preservation efforts to protect them from damage.
Step-by-step explanation:
Stonehenge and the Nazca Lines are similar in their historical importance as ancient landmarks and their preservation methods. Stonehenge, located in England, is a Neolithic stone circle constructed around 2500 BCE, while the Nazca Lines, found in Peru, were created by the Nazca people between 200 BCE and 600 CE.
Both landmarks were made using organized labor and simple techniques - Stonehenge with massive stones and the Nazca Lines by removing weathered stones from the desert floor.
Moreover, both sites require preservation efforts to protect them from damage. The Nazca Lines are vulnerable to traffic and pedestrian crossing, and the Peruvian government has constructed a viewing platform to prevent further harm. Similarly, Stonehenge faces threats from erosion, vandalism, and tourism, so measures are taken to limit physical contact and manage visitors, such as rope barriers and timed visits.